Home / 4,741.85-7,112.71-2,144.79

Finding the Fourth Proportional to 4,741.85, 7,112.71 and 2,144.79

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Solution

The fourth proportional to 4,741.85, 7,112.71 and 2,144.79 is: 3,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.85 : 7,112.71 = 2,144.79 : x
  2. Step 2: Convert to fraction form
    4,741.85/7,112.71 = 2,144.79/x
  3. Step 3: Cross multiply
    4,741.85x = 7,112.71 × 2,144.79
  4. Step 4: Simplify right side
    4,741.85x = 15,255,269.28
  5. Step 5: Solve for x
    x = 15,255,269.28/4,741.85
  6. Step 6: Final answer
    x = 3,217.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.